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| author | Adrian Knoth <adi@drcomp.erfurt.thur.de> | 2013-03-10 00:37:25 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2013-03-11 10:11:19 +0100 |
| commit | 345422133ae07147aa695a469bfec8f97d77a81c (patch) | |
| tree | 5cc3ac26eb268faaf4d3ec5fa7955864ddc5cc2b /sound/pci/rme9652 | |
| parent | e5b7b1fe3b263441a1fc89bc6a4cca5e80f348b0 (diff) | |
| download | linux-345422133ae07147aa695a469bfec8f97d77a81c.tar.gz linux-345422133ae07147aa695a469bfec8f97d77a81c.tar.bz2 linux-345422133ae07147aa695a469bfec8f97d77a81c.zip | |
ALSA: hdspm - Also check for TCO sync states
This patch prepares snd_hdspm_get_sync_check() to also check the TCO
sync state. The added feature will be exposed to the user in a later
commit.
Signed-off-by: Adrian Knoth <adi@drcomp.erfurt.thur.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/rme9652')
| -rw-r--r-- | sound/pci/rme9652/hdspm.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c index 82f209f283aa..8b7c9fb901c7 100644 --- a/sound/pci/rme9652/hdspm.c +++ b/sound/pci/rme9652/hdspm.c @@ -3447,6 +3447,16 @@ static int snd_hdspm_put_playback_mixer(struct snd_kcontrol *kcontrol, .get = snd_hdspm_get_sync_check \ } +#define HDSPM_TCO_LOCK_CHECK(xname, xindex) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .name = xname, \ + .private_value = xindex, \ + .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \ + .info = snd_hdspm_tco_info_lock_check, \ + .get = snd_hdspm_get_sync_check \ +} + + static int snd_hdspm_info_sync_check(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) @@ -3456,6 +3466,14 @@ static int snd_hdspm_info_sync_check(struct snd_kcontrol *kcontrol, return 0; } +static int snd_hdspm_tco_info_lock_check(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + static char *texts[] = { "No Lock", "Lock" }; + ENUMERATED_CTL_INFO(uinfo, texts); + return 0; +} + static int hdspm_wc_sync_check(struct hdspm *hdspm) { int status, status2; @@ -3585,6 +3603,14 @@ static int hdspm_aes_sync_check(struct hdspm *hdspm, int idx) return 0; } +static int hdspm_tco_input_check(struct hdspm *hdspm, u32 mask) +{ + u32 status; + status = hdspm_read(hdspm, HDSPM_RD_TCO + 4); + + return (status & mask) ? 1 : 0; +} + static int hdspm_tco_sync_check(struct hdspm *hdspm) { @@ -3692,6 +3718,22 @@ static int snd_hdspm_get_sync_check(struct snd_kcontrol *kcontrol, } + if (hdspm->tco) { + switch (kcontrol->private_value) { + case 11: + /* Check TCO for lock state of its current input */ + val = hdspm_tco_input_check(hdspm, HDSPM_TCO1_TCO_lock); + break; + case 12: + /* Check TCO for valid time code on LTC input. */ + val = hdspm_tco_input_check(hdspm, + HDSPM_TCO1_LTC_Input_valid); + break; + default: + break; + } + } + if (-1 == val) val = 3; |